WET to AST Converter

AST is 4 hours behind WET

Current WET Time

--:--:-- --

Europe/Lisbon

Current AST Time

--:--:-- --

America/Halifax

Time Diff

4h behind

WET

UTC+0

AST

UTC-4

Overlapping hours: 1:00 PM – 5:00 PM WET (4h)

WET to AST Conversion Table

Green rows indicate standard business hours (9 AM – 5 PM) in AST

WET to AST time conversion table showing all 24 hours
WET	AST
12:00 AM 00:00	8:00 PM 20:00 -1d	Prev day
1:00 AM 01:00	9:00 PM 21:00 -1d	Prev day
2:00 AM 02:00	10:00 PM 22:00 -1d	Prev day
3:00 AM 03:00	11:00 PM 23:00 -1d	Prev day
4:00 AM 04:00	12:00 AM 00:00
5:00 AM 05:00	1:00 AM 01:00
6:00 AM 06:00	2:00 AM 02:00
7:00 AM 07:00	3:00 AM 03:00
8:00 AM 08:00	4:00 AM 04:00
9:00 AM 09:00	5:00 AM 05:00
10:00 AM 10:00	6:00 AM 06:00
11:00 AM 11:00	7:00 AM 07:00
12:00 PM 12:00	8:00 AM 08:00
1:00 PM 13:00	9:00 AM 09:00	Business hours
2:00 PM 14:00	10:00 AM 10:00	Business hours
3:00 PM 15:00	11:00 AM 11:00	Business hours
4:00 PM 16:00	12:00 PM 12:00	Business hours
5:00 PM 17:00	1:00 PM 13:00	Business hours
6:00 PM 18:00	2:00 PM 14:00	Business hours
7:00 PM 19:00	3:00 PM 15:00	Business hours
8:00 PM 20:00	4:00 PM 16:00	Business hours
9:00 PM 21:00	5:00 PM 17:00
10:00 PM 22:00	6:00 PM 18:00
11:00 PM 23:00	7:00 PM 19:00

Converting Western European Time to Atlantic Standard Time

Western European Time (WET) and Atlantic Standard Time (AST) are separated by a 4 hours time difference. AST is 4 hours behind WET. WET is UTC+0, used in Portugal, United Kingdom, Ireland, while AST is UTC-4, used in Canada, Puerto Rico, US Virgin Islands.

When converting from WET to AST, the key reference points to remember are: 9:00 AM WET equals 5:00 AM AST, 12:00 PM noon WET equals 8:00 AM AST, and 5:00 PM WET equals 1:00 PM AST. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across WET and AST

For professionals scheduling meetings between WET and AST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 4 hours difference, the window of overlap may be limited. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.

Daylight Saving Time Considerations

WET observes Daylight Saving Time, switching to WEST (UTC+1) during summer months. AST observes DST, switching to ADT (UTC-3). During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.

Frequently Asked Questions

What is the time difference between WET and AST?

Atlantic Standard Time (AST) is 4 hours behind Western European Time (WET). When it is 12:00 PM noon in WET, it is 8:00 AM in AST.

How do I convert WET to AST?

To convert WET to AST, subtract 4 hours from the WET time. For example, 9:00 AM WET is 5:00 AM AST. Use the conversion table above for a quick reference of all 24 hours.

Does WET or AST observe Daylight Saving Time?

WET observes Daylight Saving Time, switching to WEST (UTC+1). AST observes DST, switching to ADT (UTC-3). During DST transitions, the time difference between these zones may change by 1 hour.

What is the best time to schedule a call between WET and AST?

The best time to schedule a call between WET and AST is during overlapping business hours. If you are in WET, try scheduling between 9:00 AM and 5:00 PM your time, then check the conversion table above to see what that corresponds to in AST.

Is WET ahead or behind AST?

WET (UTC+0) is 4 hours ahead of AST (UTC-4). WET corresponds to the IANA time zone Europe/Lisbon, while AST corresponds to America/Halifax.

Related Conversions

Reverse: AST to WET